CN203067883U

CN203067883U - Automatic emptying valve of solar water tube

Info

Publication number: CN203067883U
Application number: CN 201220644024
Authority: CN
Inventors: 王红宽
Original assignee: CHANGZHOU TIANXU ELECTROMECHANICAL MANUFACTURING Co Ltd
Current assignee: CHANGZHOU TIANXU ELECTROMECHANICAL MANUFACTURING Co Ltd
Priority date: 2012-11-29
Filing date: 2012-11-29
Publication date: 2013-07-17
Anticipated expiration: 2022-11-29

Abstract

An automatic emptying valve of a solar water tube comprises a valve body, a top cap, a thermosensitive element, a thermosensitive element support, a first spring, a drain plug, an ejector rod, a spring base and a second spring, wherein a first water opening, a second water opening and a water draining opening are formed in the valve body and all communicated with an inner cavity of the valve body, a valve opening is formed in a separation board, the thermosensitive element, the thermosensitive element support, the first spring and the drain plug are all arranged inside the valve body, the thermosensitive element support abuts against the thermosensitive element, the drain plug is arranged above the valve opening, the ejector rod penetrates through the valve opening, two ends of the ejector rod are respectively connected with the drain plug and the spring base, the drain plug is provided with a circular conical surface which is matched with the upper end of the valve opening, one end of the ejector rod is inserted in a hole in the bottom of the drain plug in a loose fit mode, and the other end of the ejector rod is inserted in a hole in the top of the spring base in a close fit mode. The automatic emptying valve of the solar water tube can automatically drain residual water in a water tube under the low-temperature condition, and ensures that the water tube is not damaged.

Description

The automatic exhaust-valve of solar water pipe

Technical field

The present invention relates to the valve on a kind of solar water pipeline.

Background technique

When solar water heater used in winter, can run into the water that remains in the water pipe, when temperature decline is frozen, water pipe is supportted quick-fried situation, therefore, people use solar energy in winter, have in cold day or evening, water in the outdoor water pipe is bled off by manual mode, take place to avoid this destruction.

Summary of the invention

The object of the present invention is to provide a kind of can be when low temperature the residuary waters in the automatic emptying water pipe, guarantee the automatic exhaust-valve of solar water pipe that water pipe is not destroyed.

The technological scheme that realizes above-mentioned purpose is: the automatic exhaust-valve of a kind of solar water pipe, comprise valve body, also comprise the top cap, thermosensitive element, the thermosensitive element support, first spring, plug, push rod, spring seat and second spring, described valve body is provided with first mouth of a river, second mouth of a river and dewatering outlet, first mouth of a river, second mouth of a river all communicates with the inner chamber of valve body, has dividing plate in the described valve body, has valve port on the dividing plate, one end of valve port leads to first mouth of a river and second mouth of a river, the other end leads to the dewatering outlet, described thermosensitive element, the thermosensitive element support, first spring, plug all is positioned at valve body, and be positioned at dividing plate one side, described top cap is fixedlyed connected with the upper end of valve body, thermosensitive element push rod and the top cap of described thermosensitive element offset, described thermosensitive element support and thermosensitive element offset, the upper end of described first spring and thermosensitive element support offset, lower end and plug offset, described plug is positioned at the top of valve port, and open with valve port, close cooperation, described spring seat is positioned at the below of valve port, push rod pass valve port, and two ends are connected with spring seat with plug respectively, one end and the spring seat of described second spring offset, the bottom of the other end and valve body offsets, described plug has conical surface, conical surface cooperates with the valve port upper end, the one end loose fit ground of described push rod inserts in the hole of plug bottom, and the other end inserts in the hole at spring seat top tightly.

After adopting technique scheme, provide thermosensitive element control plug to cooperate with the open and close of valve port, can be when low temperature the residuary waters in the automatic emptying water pipe, guarantee that water pipe is not destroyed.

Description of drawings

The present invention is further detailed explanation below in conjunction with embodiment that accompanying drawing provides.

Fig. 1 is the structural representation of the automatic exhaust-valve of solar water pipe of the present invention;

Fig. 2 is a kind of view of Fig. 1;

Fig. 3 is the another kind of view of Fig. 2;

Fig. 4 is another embodiment's structural representation.

Embodiment

As Fig. 1,2, shown in 3, the automatic exhaust-valve of a kind of solar water pipe of the present invention, comprise valve body 2, also comprise top cap 1, thermosensitive element 3, thermosensitive element support 4, first spring 5, plug 6, push rod 7, spring seat 8 and second spring 10, described valve body 2 is provided with first mouth of a river 2-1, second mouth of a river 2-2 and dewatering outlet 2-3, first mouth of a river 2-1, second mouth of a river 2-2 all communicates with the inner chamber 2-6 of valve body 2, has dividing plate 2-4 in the described valve body 2, has valve port 2-5 on the dividing plate 2-4, the end of valve port 2-5 leads to first mouth of a river 2-1 and second mouth of a river 2-2, the other end leads to dewatering outlet 2-3, described thermosensitive element 3, thermosensitive element support 4, first spring 5, plug 6 all is positioned at valve body 2, and be positioned at dividing plate 2-4 one side, described top cap 1 is fixedlyed connected with the upper end of valve body 2, thermosensitive element push rod 3-1 and the top cap 1 of described thermosensitive element 3 offset, described thermosensitive element support 4 offsets with thermosensitive element 3, the upper end of described first spring 5 and thermosensitive element support 4 offset, lower end and plug 6 offset, described plug 6 is positioned at the top of valve port 2-5, and 2-5 opens with valve port, close cooperation, described spring seat 8 is positioned at the below of valve port 2-5, push rod 7 pass valve port 2-5, and two ends are connected with spring seat 8 with plug 6 respectively, one end and the spring seat 8 of described second spring 10 offset, the bottom of the other end and valve body 2 offsets, described plug 6 has conical surface 6-2, conical surface 6-2 cooperates with valve port 2-5 upper end, the one end loose fit ground of described push rod 7 inserts in the hole of plug 6 bottoms, and the other end inserts in the hole at spring seat 8 tops tightly.

The model that thermosensitive element 3 can adopt Suzhou to contain the production of source Science and Technology Ltd. is the thermosensitive element of LG0829.

As shown in Figure 1, 2, 3, described valve body 2 comprises upper valve body 2 ' and following valve body 9, and upper valve body 2 ' and following valve body 9 are threaded, and the jointing of upper valve body 2 ' and following valve body 9 has seal ring (11).

As shown in Figure 1, 2, 3, described have seam 9-2 in the valve body 9 down, and an end of second spring 10 is against down on the seam 9-2 of valve body 9, and the other end is against in the counterbore 8-1 of spring seat 8.

As shown in Figure 1, 2, 3, the top of described plug 6 has plug counterbore 6-1, and thermosensitive element support 4 has stepped part 4-1, and the lower end of first spring 5 is inserted in the plug counterbore 6-1, and the stepped part 4-1 of lower end and thermosensitive element support 4 offsets.

When the present invention uses, as shown in Figure 2, when the temperature of the water that enters valve body 2 via first mouth of a river 2-1 surpasses setting temperature, thermosensitive element push rod 3-1 stretches out, the stepped part 4-1 that promotes thermosensitive element support 4 is downward, namely promotes thermosensitive element support 4 and moves down, and compresses first spring 5, first spring 5 is owing to be compressed, promote plug 6 and move down, plug conical surface 6-2 is pressed on the valve port 2-5, simultaneously tightly, moving down of plug 6, promote push rod 7 and move down, promote spring seat 8 and move down, compress second spring 10, water inlet is flowed out by second mouth of a river 2-2 via the inner chamber 2-6 of valve body 2 again.As shown in Figure 3, when the temperature that enters the water of valve body 2 via first mouth of a river 2-1 was lower than setting temperature, thermosensitive element push rod 3-1 shrank, at this moment, compressed second spring 10 promotes push rod 7 and moves up, push rod 7 promotes plug 6 and moves up, and plug 6 promotes first spring 5 and moves up, and first spring 5 promotes thermosensitive element support 4 and moves up, at this moment, plug conical surface 6-2 and valve port 2-5 break away from, and water is discharged by dewatering outlet 2-3 by the inner chamber 9-1 that the inner chamber 2-6 of valve body 2 enters down valve body 9 again.

As shown in Figure 4, present embodiment has been cancelled thermosensitive element support 4, and an end of first spring 5 is inserted in the plug counterbore 6-1, and the other end is directly conflicted below the step of thermosensitive element 3.All the other structures are identical with first embodiment.

Claims

1. the automatic exhaust-valve of solar water pipe comprises valve body (2), it is characterized in that:

A, also comprise top cap (1), thermosensitive element (3), thermosensitive element support (4), first spring (5), plug (6), push rod (7), spring seat (8) and second spring (10),

B, described valve body (2) are provided with first mouth of a river (2-1), second mouth of a river (2-2) and dewatering outlet (2-3), and first mouth of a river (2-1), second mouth of a river (2-2) all communicate with the inner chamber (2-6) of valve body (2),

Have dividing plate (2-4) in c, the described valve body (2), have valve port (2-5) on the dividing plate (2-4), an end of valve port (2-5) leads to first mouth of a river (2-1) and second mouth of a river (2-2), and the other end leads to dewatering outlet (2-3),

D, described thermosensitive element (3), thermosensitive element support (4), first spring (5), plug (6) all are positioned at valve body (2) and are positioned at dividing plate (2-4) side,

E, described top cap (1) are fixedlyed connected with the upper end of valve body (2),

The thermosensitive element push rod (3-1) of f, described thermosensitive element (3) offsets with top cap (1),

G, described thermosensitive element support (4) offset with thermosensitive element (3),

The upper end of h, described first spring (5) and thermosensitive element support (4) offset, and lower end and plug (6) offset,

I, described plug (6) are positioned at the top of valve port (2-5), and cooperate with valve port (2-5) open and close,

J, described spring seat (8) are positioned at the below of valve port (2-5), push rod (7) pass valve port (2-5), and two ends are connected with spring seat (8) with plug (6) respectively,

One end of k, described second spring (10) and spring seat (8) offset, and the bottom of the other end and valve body (2) offsets,

L, described plug (6) have conical surface (6-2), and conical surface (6-2) cooperates with valve port (2-5) upper end,

The one end loose fit ground of m, described push rod (7) inserts in the hole of plug (6) bottom, and the other end inserts in the hole at spring seat (8) top tightly.